# HG changeset patch
# User dl
# Parent  9319e8851e0002c4b07f3b1be3cd29d79c3c165c
8260664: Phaser.arrive() memory consistency effects
Reviewed-by: martin

diff --git a/src/java.base/share/classes/java/util/concurrent/Phaser.java b/src/java.base/share/classes/java/util/concurrent/Phaser.java
--- a/src/java.base/share/classes/java/util/concurrent/Phaser.java
+++ b/src/java.base/share/classes/java/util/concurrent/Phaser.java
@@ -148,6 +148,12 @@
  * returns snapshots of these state queries in a form convenient for
  * informal monitoring.
  *
+ * <p>Memory consistency effects: Actions prior to any form of arrive
+ * method <a href="package-summary.html#MemoryVisibility">
+ * <i>happen-before</i></a> a corresponding phase advance and
+ * onAdvance actions (if present), which in turn <i>happen-before</i>
+ * actions following the phase advance.
+ *
  * <p><b>Sample usages:</b>
  *
  * <p>A {@code Phaser} may be used instead of a {@code CountDownLatch}